array
apltail
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array | apltail | |
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4 | 6 | |
188 | 208 | |
- | - | |
6.9 | 1.8 | |
4 months ago | about 3 years ago | |
C++ | Standard ML | |
Apache License 2.0 | MIT License |
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array
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Benchmarking 20 programming languages on N-queens and matrix multiplication
I should have mentioned somewhere, I disabled threading for OpenBLAS, so it is comparing one thread to one thread. Parallelism would be easy to add, but I tend to want the thread parallelism outside code like this anyways.
As for the inner loop not being well optimized... the disassembly looks like the same basic thing as OpenBLAS. There's disassembly in the comments of that file to show what code it generates, I'd love to know what you think is lacking! The only difference between the one I linked and this is prefetching and outer loop ordering: https://github.com/dsharlet/array/blob/master/examples/linea...
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A basic introduction to NumPy's einsum
If you are looking for something like this in C++, here's my attempt at implementing it: https://github.com/dsharlet/array#einstein-reductions
It doesn't do any automatic optimization of the loops like some of the projects linked in this thread, but, it provides all the tools needed for humans to express the code in a way that a good compiler can turn it into really good code.
apltail
- Apltail: APL Compiler targeting a typed array intermediate language
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Who is researching array languages these days?
There's also apltail, of course, but that is disappointingly static, and iirc slower than co-dfns.
- An APL compiler in Standard ML compiling to Typed Array Intermediate Language
- APL Compiler Based on Tail (Typed Array Intermediate Language)
- Is APL Dead?
- The Lisp OS “Mezzano” Running Native on Librebooted ThinkPads
What are some alternatives?
optimizing-the-memory-layout-of-std-tuple - Optimizing the memory layout of std::tuple
Mezzano - An operating system written in Common Lisp
NumPy - The fundamental package for scientific computing with Python.
BQN - An APL-like programming language. Self-hosted!
cadabra2 - A field-theory motivated approach to computer algebra.
jelm - Extreme Learning Machine in J
alphafold2 - To eventually become an unofficial Pytorch implementation / replication of Alphafold2, as details of the architecture get released
sml-parseq - parallel sequences library in Standard ML
einops - Flexible and powerful tensor operations for readable and reliable code (for pytorch, jax, TF and others)
april - The APL programming language (a subset thereof) compiling to Common Lisp.
Einsum.jl - Einstein summation notation in Julia
j-prez